Citroën--producers of among the most avant-garde auto designs ever marketed on a mainstream basis--always prided itself on its collaborations with artists, which over the years included Andre Martin, Cartier-Bresson, Doisneau, Jean-Paul Goude, and Marc Riboud. For his late sixties catalogues, Klein honed in on the futuristic, aerodynamic design elements that made the DS (pronounced 'Déesse'--Goddess!) one of the most unique cars ever made.